Compare phones
| Global Score | |
| 88 | 91.8 |
| Basic Information | |
| Asus | Samsung |
| -- | Android 11 |
| 2019-09-04 | 2021-01-29 |
| 6.73 x 3.06 x 0.37 inches | 5.97 x 2.80 x 0.31 inches |
| 8.47 ounces | 6.03 ounces |
| Black Glare | Gray, Phantom pink, Violet and White |
| Aluminum and Glass (Corning Gorilla Glass 3) | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.6 inches | 6.2 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 390 pixels per inch | 424 pixels per inch |
| 600 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.5 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 855 Plus SM8150-AC chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 8 GB RAM |
| Adreno 640 GPU | Adreno 660 GPU |
| 9.81 | 9.63 |
| Storage | |
| 512 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 17.6 | 10.1 |
| Camera | |
| 48.00 MP + 24.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.99 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 6000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0, EDR | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 has a global score of 91.8, which is a little bit better than the Asus ROG Phone II's 88 score. The Galaxy S21 is a newer phone, and it is also thinner and lighter than Asus ROG Phone II. Asus ROG Phone II features a little better performance than Galaxy S21, and although they both have the same number of cores, the Asus ROG Phone II also has 4 GB more RAM memory.
The Samsung Galaxy S21 has a bit sharper display than Asus ROG Phone II, because although it has a bit smaller screen, it also counts with a lot brighter display, a quite better 1080 x 2400 resolution and a quite higher amount of pixels per inch of screen. The Asus ROG Phone II takes better pictures and videos than Samsung Galaxy S21, because although it has a smaller back camera sensor taking less light and dull colors, and they both have the same aperture and the same 3840x2160 (4K) video definition, the Asus ROG Phone II also counts with a way better resolution back facing camera and higher video frame rate.
The Asus ROG Phone II features a much better memory to install applications and games than Samsung Galaxy S21, because it has 512 GB internal memory. Asus ROG Phone II counts with a really longer battery duration than Galaxy S21, because it has a 6000mAh battery capacity.
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